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DS1302+
trickle-charge timekeeping IC with 3-wire serial interface and 31 bytes of static RAM
Specifications
Key details
| Part Number | DS1302+ |
|---|---|
| Manufacturer | Analog Devices (Maxim Integrated) |
| Category | Real-Time Clock |
| Lifecycle Status | Production |
| Series | DS1302 |
| Package / Case | 8-pin PDIP, 300 mil |
| Pin Count | 8 |
| Operating Temperature | 0°C to +70°C |
| Last Verified | 2026-07-20 |
Overview
Part information
DS1302+ Overview
DS1302+ is a Analog Devices (Maxim Integrated) trickle-charge timekeeping IC with 3-wire serial interface and 31 bytes of static RAM supplied in 8-pin PDIP, 300 mil. This page uses the exact orderable code because package, grade, temperature and option suffixes can change compatibility.
Key Technical Specifications
| Interface | 3-wire serial |
|---|---|
| Supply Voltage | 2.0 V to 5.5 V |
| User RAM | 31 × 8 bits |
| Backup Charging | Programmable trickle charger |
| Timekeeping | Seconds through year with leap-year compensation |
Package and Ordering Notes
The listed package is 8-pin PDIP, 300 mil with 8 pins, leads, lands or contacts. The featured image is a generic package illustration for form-factor identification and is not an actual date-code or lot photograph. The part or family is listed by Analog Devices (Maxim Integrated) as Production at the verification date.
Sourcing Guidance
Confirm current factory lead time, packing format and revision for DS1302+ before placing the order.
For an accurate quotation, include the full MPN, target quantity, acceptable date-code range, packaging format and destination. Icearth can help review traceability documents, label photos and electrical/package alignment before order placement.
Manufacturer Documentation
Technical values were checked against Analog Devices (Maxim Integrated) documentation. Use the linked datasheet as the controlling source and re-check revisions before PCB release or firmware qualification.
Sourcing notes
Lifecycle and sourcing review
Production
Lifecycle information is shown for reference. Confirm current manufacturer documentation, availability and technical suitability before purchase.
Confirm current factory lead time, packing format and revision for DS1302+ before placing the order.